CN103788530B - Extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material and preparation thereof - Google Patents
Extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material and preparation thereof Download PDFInfo
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- CN103788530B CN103788530B CN201210434588.2A CN201210434588A CN103788530B CN 103788530 B CN103788530 B CN 103788530B CN 201210434588 A CN201210434588 A CN 201210434588A CN 103788530 B CN103788530 B CN 103788530B
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Abstract
The invention discloses a kind of extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material and preparation thereof, the extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material of the present invention includes each component of following weight portion: polyvinyl chloride resin 0 part；Plasticizer a 10 20 parts；Calcinated argil 10 15 parts；Fire retardant a 13 parts；Colour black 12 parts；Fire retardant b 28 parts；Heat stabilizer 25 parts；Plasticizer b 5 10 parts；0.1 0.2 parts of antioxidant；Fire retarding synergist 12 parts；Tissuemat E 0.2 0.4 parts；Lubricant 0.5 1 parts；Plasticizer c 10 20 parts；Metal naphthenate 12 parts；Capsaicin 0.5 5 parts；Antismoke agent 5 10 parts.The extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material of the present invention can be widely applied to need fire-retardant and to smoke density during burning and halogen acid gas content, protection against rodents and the oversheath of termite-proof extra-high-tension cable.
Description
Technical field
The present invention relates to a kind of cable jacket material and preparation method, exhausted particularly to a kind of extra-high-tension cable low smoke and low halogen
Edge grade PVC sheath material and preparation method thereof.
Background technology
In recent years, the polymeric material such as plastics, rubber, synthetic fibers and goods thereof obtain flourish, and they replace the most rapidly
Steel, metal, cement and the natural polymer such as timber, cotton, be widely used in each of the national economy such as industry, agricultural, military affairs
Individual department.But synthetic material belongs to inflammable, combustible material mostly, and fire proofing the most often contains the highest halogen, in burning
During can produce substantial amounts of toxic gas, cause the harm to environment, the life security of people formed grave danger, therefore,
The toxicant produced when how to improve the fire resistance of synthetic material and reduce its burning, it has also become be badly in need of asking of solution for one
Topic.
The world today, the personnel and the property loss that cause because of fire every year are the hugest, and fire preventing becomes the most urgent in the minds of people
The hope cut.Causing the main cause of a large amount of injures and deaths of personnel is cigarette and the toxic gas of combustible material release when burning.According to Britain
Adding up with Japan, death is substantially the same in the human body burnt with dead in cigarette and toxic gas, is 40%～50%, National Fire Protection
The statistics of foundation shows, in fire, the death of 80% is owing to toxicity on inhalation gas causes.In Marvenus Island War, it is hit by a bullet
In more than 300 officers and men dead on HerHis Majesty's ship, most victims be have that the PVC cable of burning discharged containing an oxygen
Change caused by the flue gas of carbon and hydrogen chloride, and in Taegu of Korea S railcar fire incident in 2003, the victim of 92% is due to greatly
The amount smog containing toxicant is lethal.
In soft PVC plastic for electric wire and cable, in GB/T8815-2008 the temperature resistant grade of regulation higher for 90 DEG C of polychlorostyrene
Ethylene Insulation Material and protective cover material, wherein the specific insulation standard of protective cover material is 1 × 109Ω .m, and high-voltage transmission electrical network at present
90 DEG C of pvc sheathing compounds be also satisfied certain insulating properties simultaneously, the specific insulation standard of protective cover material brings up to
5×1011Ω .m, some cables even require higher specific insulation.Although at present domestic Ye You producer can prepare environmental protection,
Fire-retardant, protection against rodents, termite-proof 90 DEG C of polyvinyl chloride insulation level protective cover materials of temperature resistant grade, but do not possess low-smoke low-halogen performance,
Range of application is by a definite limitation, and specific insulation is on the low side, it is impossible to meets current main flow cable production firm and protects insulation-grade
The requirement of jacking more high electrical performance.And it is fire-retardant in the formula of 90 DEG C of polyvinyl chloride insulation level protective cover materials that produced of these producers
The collocation of system is unreasonable, causes production cost too high.
Summary of the invention
Present invention aim to address in prior art existing 90 DEG C of temperature resistant grade PVC sheath material volume resistances low, not protection against rodents and
The most termite-proof defect, it is provided that one possesses more high electrical performance insulation-grade, and low cigarette, low halogen, fire-retardant, protection against rodents, termite-proof,
Temperature resistant grade is extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material of 90 DEG C and preparation method thereof.
The invention provides a kind of extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material, including following weight portion
Each component:
Preferably, the degree of polymerization of described polyvinyl chloride resin is 800-1300.Suspension polymerization can be used, for loose type resin.
Preferably, described plasticizer a is DOTP；Described fire retardant a is three oxygen two antimony；Described plasticizer b
For didecyl phthalate；Described plasticizer c is trioctyl trimellitate (TOTM).
Preferably, described fire retardant b is inorganic hydroxide.More excellent, described fire retardant b is that consumption is the most currently on the market
Universal magnesium hydroxide or aluminium hydroxide.
Preferably, described lubricant is G60.The main component of G60 is the dicarboxylic acids fat of fatty alcohol.
Preferably, described fire retarding synergist is borate；More excellent, described fire retarding synergist is Firebrake ZB, "Antifungin". or
Calcium pyroborate.
Preferably, described heat stabilizer is composite environment-friendly type heat stabilizer；More excellent, described heat stabilizer is that Ca Zn composite is steady
Determine agent or organic tin stabilizer.
Preferably, described antioxidant is antioxidant bisphenol-A.
Preferably, described metal naphthenate is cyclic potassium naphthenate or copper naphthenate.
Preferably, described colour black is middle colour black.
Preferably, described antismoke agent is selected from molybdenum compound.More excellent, described antismoke agent is selected from molybdenum trioxide or ammonium octamolybdate.
In addition to above-mentioned raw materials, on the premise of not affecting insulating grade PVC sheath material performance, the insulating grade PVC of the present invention protects
Jacking, also can add the additive of some routines on a small quantity, such as industry precipitated calcium, lightweight activated calcium etc..
The preparation method of the insulating grade PVC sheath material of the present invention comprises the following steps:
A, plasticizer a, fire retardant a, fire retardant b, antioxidant, fire retarding synergist and antismoke agent are inserted three rollers and ground
Machine grinds to form pulpous state material；
B, by ground pulpous state material and polyvinyl chloride resin, calcinated argil, colour black, heat stabilizer, plasticizer b, poly-
Ethylene waxes, lubricant, plasticizer c, metal naphthenate and capsaicin are inserted heating in high-speed kneading machine and are stirred, high
Speed kneader temperature controls at 100-120 DEG C, and kneading time is 5-10 minute；
C, the raw material stirred is directly added into twin screw grain-making machine carries out extrusion and make material, each section of twin screw grain-making machine heating temperature
Spend and divide equally from 120～160 DEG C by heating hop count；
D, extrusion are made the finished product drying of material and are i.e. obtained the extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material of the present invention.
The invention has the beneficial effects as follows: (1) present invention meets protecting about 90 DEG C of polrvinyl chloride of GB8815-2008 standard regulation
The over-all properties of jacking, and processing characteristics is excellent；(2) possess environmental-protecting performance, meet ROHS standard；(3) possesses anti-flammability
Energy (limited oxygen index >=30), protective cover material electrical property is excellent, and specific insulation can be more than 1.0 × 1012Ω·m；(4) possesses low cigarette
Low halogen performance (flaming combustion smoke density≤350, flameless combustion smoke density≤250, halogen acid gas content≤100mg/g, hydracid
PH value >=2.5)；(5) there is protection against rodents, termite-proof function, can be widely applied to need fire-retardant, protection against rodents and termite-proof place.
Detailed description of the invention
It is exemplified below instantiation so that the present invention is expanded on further, it should be appreciated that following example are merely to illustrate rather than limit
Protection scope of the present invention processed.
Embodiment 1
1. experiment material
2. preparation method
The method that employing above-mentioned raw materials prepares extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material is as follows:
A, by plasticizer a DOTP 20 kilograms, 1.5 kilograms of fire retardant a tri-oxygen two antimony, fire retardant b magnesium hydroxide
5 kilograms, 0.15 kilogram of antioxidant, fire retarding synergist Firebrake ZB 1.5 kilograms, molybdenum trioxide 5 kilograms is inserted three-roll grinder and is ground
Wear into the pulpous state material of certain fineness；
B, by ground pulpous state material and polyvinyl chloride resin 100 kilograms, calcinated argil 15 kilograms, middle colour black 2 kilograms, compound
Environment-benign heat stabilizer 4 kilograms, plasticizer b10 kilogram, Tissuemat E 0.3 kilogram, highly-efficient lubricant G60 0.5 kilogram,
Plasticizer c trioctyl trimellitate (TOTM) 12 kilograms, cyclic potassium naphthenate 1.5 kilograms, capsaicin 0.5 kilogram is inserted in high-speed kneading machine
Heating carries out high-speed stirred, and high-speed kneading machine temperature controls at 100-120 DEG C, and kneading time is 5-10 minute；
C, the raw material stirred is directly entered twin screw grain-making machine carrying out extrusion and make material, each section of heating-up temperature of twin screw grain-making machine is pressed
Heating hop count is divided equally from 120-160 DEG C；
D, extrusion make the finished product of material packaging warehouse-in after drying.
Embodiment 2
1. experiment material:
2. preparation method:
Use above-mentioned raw materials, extra-high-tension cable by the preparation method of low smoke and low halogen insulating grade PVC sheath material with embodiment 1.
Embodiment 3
1. experiment material:
2. preparation method:
Use above-mentioned raw materials, extra-high-tension cable by the preparation method of low smoke and low halogen insulating grade PVC sheath material with embodiment 1.
Embodiment 4
1. experiment material:
2. preparation method:
Use above-mentioned raw materials, extra-high-tension cable by the preparation method of low smoke and low halogen insulating grade PVC sheath material with embodiment 1.
Embodiment 5
1. experiment material:
2. preparation method:
Use above-mentioned raw materials, extra-high-tension cable by the preparation method of low smoke and low halogen insulating grade PVC sheath material with embodiment 1.
Embodiment 6
1. experiment material:
2. preparation method:
Use above-mentioned raw materials, extra-high-tension cable by the preparation method of low smoke and low halogen insulating grade PVC sheath material with embodiment 1.
Embodiment 7
The insulating grade PVC sheath material obtained by above-described embodiment 1-6 is with reference to GB8815 standard, ROHS standard and protection against rodents
Termite-proof performance test, result is as shown in table 1:
Table 1 extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material performance detects
Contrast experiment
Antismoke agent in embodiment 1-6 experiment material is removed, use remaining raw material (surplus stock include polyvinyl chloride resin,
Plasticizer a, calcinated argil, fire retardant a, colour black, fire retardant b, heat stabilizer, plasticizer b, antioxidant, resistance
Combustion synergist, Tissuemat E, lubricant, plasticizer c, metal naphthenate, capsaicin), it is prepared as follows absolutely
Edge grade PVC sheath material 1-6:
A, by plasticizer a, fire retardant a, fire retardant b, antioxidant and fire retarding synergist are inserted three-roll grinder and are ground to form certain fineness
Pulpous state material；
B, by ground pulpous state material and polyvinyl chloride resin, calcinated argil, pigment carbon, heat stabilizer, plasticizer b, Tissuemat E,
Lubricant, plasticizer c, metal naphthenate, capsaicin are inserted heating in high-speed kneading machine and are carried out high-speed stirred, high-speed kneading
Machine temperature controls at 100-120 DEG C, and kneading time is 5-10 minute；
C, the raw material stirred is directly entered twin screw grain-making machine carrying out extrusion and make material, each section of heating-up temperature of twin screw grain-making machine is pressed
Heating hop count is divided equally from 120-160 DEG C；
D, extrusion make the finished product of material packaging warehouse-in after drying.
PVC sheath material 1-6 contrast experiment prepared is with reference to GB/T 8323.1-2008, GB/T 8323.2-2008, GB/T
Smoke density (having flame and nonflame), chloric acid gas content and halogen acid pH are tested by 17650-1998, result such as table 2 institute
Show:
Table 2 contrast uses the detection of insulating grade PVC sheath material performance
The addition of visible antismoke agent not only greatly reduces the smoke density of PVC sheath material, the most also makes PVC sheath material fire
Halogen acid gas content during burning reduces greatly, and the hydracid pH value of gas also increases, and decreases the extra-high voltage of the present invention
The cable low smoke and low halogen insulating grade PVC sheath material burning injury to human body.
Claims (8)
1. an extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material, each including following weight portion
Component:
The degree of polymerization of described polyvinyl chloride resin is 800～1300；
Described antismoke agent is selected from molybdenum compound；
Described plasticizer a is DOTP；Described fire retardant a is three oxygen two antimony；Described plasticizer
B is didecyl phthalate；Described fire retardant b is inorganic hydroxide；Described plasticizer c is inclined
Benzenetricarboxylic acid three monooctyl ester；Described lubricant is G60.
2. extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material as claimed in claim 1, its feature exists
In, described inorganic hydroxide is selected from magnesium hydroxide or aluminium hydroxide.
3. extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material as claimed in claim 1, its feature exists
In, described fire retarding synergist is borate.
4. extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material as claimed in claim 3, its feature exists
In, described borate is Firebrake ZB, "Antifungin". or Calcium pyroborate.
5. extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material as claimed in claim 1, its feature
Being, described heat stabilizer is selected from Ca-Zn composite heat stabilizer or organic tin heat stabilizer.
6. extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material as claimed in claim 1, its feature exists
In, described antioxidant is selected from antioxidant bisphenol-A.
7. extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material as claimed in claim 1, its feature exists
In, described metal naphthenate is selected from cyclic potassium naphthenate or copper naphthenate.
8. the preparation of the arbitrary described extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material of claim 1-7
Method, comprises the following steps:
A, plasticizer a, fire retardant a, fire retardant b, antioxidant, fire retarding synergist are put with antismoke agent
Enter three-roll grinder and grind to form pulpous state material；
B, by ground pulpous state material and polyvinyl chloride resin, calcinated argil, colour black, heat stabilizer, plasticising
Agent b, Tissuemat E, lubricant, plasticizer c, metal naphthenate and capsaicin insert height
Heating in speed kneader and be stirred, high-speed kneading machine temperature controls at 100-120 DEG C, during kneading
Between be 5-10 minute；
C, the raw material stirred is directly added into twin screw grain-making machine carries out extrusion and make material, twin screw grain-making machine
Each section of heating-up temperature is divided equally from 120～160 DEG C by heating hop count；
D, extrusion are made the finished product drying of material and are i.e. obtained the extra-high-tension cable low smoke and low halogen insulation-grade of the present invention
PVC sheath material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210434588.2A CN103788530B (en) | 2012-11-02 | 2012-11-02 | Extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material and preparation thereof |
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| CN201210434588.2A CN103788530B (en) | 2012-11-02 | 2012-11-02 | Extra-high-tension cable low smoke and low halogen insulating grade PVC sheath material and preparation thereof |
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| CN103788530A CN103788530A (en) | 2014-05-14 |
| CN103788530B true CN103788530B (en) | 2016-07-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045933A (en) * | 2014-06-06 | 2014-09-17 | 桐庐雷泰生物科技有限公司 | Rat-proof PVC (polyvinyl chloride) material |
| CN106543581A (en) * | 2015-09-18 | 2017-03-29 | 上海凯波特种电缆料厂有限公司 | A kind of automobile charging pile cable PVC Insulation Materials and its preparation |
| CN109265861A (en) * | 2018-08-31 | 2019-01-25 | 安庆市泽烨新材料技术推广服务有限公司 | Network system cable sheath material and preparation method thereof |
| CN109651729A (en) * | 2018-12-03 | 2019-04-19 | 浙江元通线缆制造有限公司 | A kind of low-smoke low-halogen polyvinyl chloride insulation material and preparation method thereof |
| CN110527219A (en) * | 2019-09-18 | 2019-12-03 | 天长市格瑞电缆材料有限公司 | A kind of CABLE MATERIALS of low-smoke low-halogen uvioresistant insect-proof ant-proof |
| CN112708220B (en) * | 2020-12-22 | 2022-12-06 | 金发科技股份有限公司 | Low-smoke-density low-emission extrusion-grade passenger car PVC and preparation method and application thereof |
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|---|---|---|---|---|
| JPH05298941A (en) * | 1992-04-17 | 1993-11-12 | Yazaki Corp | High rat-proof vinyl chloride resin composition |
| CN1927934A (en) * | 2006-09-19 | 2007-03-14 | 上海电缆研究所 | Semi-horniness flame-proof PVC sheath material for high-voltage cable |
| CN101633765A (en) * | 2009-05-22 | 2010-01-27 | 上海凯波特种电缆料厂有限公司 | Insulating grade PVC sheath material for ultrahigh pressure cables and preparation method thereof |
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2012
- 2012-11-02 CN CN201210434588.2A patent/CN103788530B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05298941A (en) * | 1992-04-17 | 1993-11-12 | Yazaki Corp | High rat-proof vinyl chloride resin composition |
| CN1927934A (en) * | 2006-09-19 | 2007-03-14 | 上海电缆研究所 | Semi-horniness flame-proof PVC sheath material for high-voltage cable |
| CN101633765A (en) * | 2009-05-22 | 2010-01-27 | 上海凯波特种电缆料厂有限公司 | Insulating grade PVC sheath material for ultrahigh pressure cables and preparation method thereof |
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Address after: 201802 Shanghai City, Jiading District Nanxiang Town Yongle Village No. 271 Patentee after: Shanghai Kaibo cable special material Co., Ltd Address before: 201802 Shanghai City, Jiading District Nanxiang Town Yongle Village No. 271 Patentee before: SHANGHAI KAIBO SPECIAL CABLE FACTORY Co.,Ltd. |